400 Republican primary voters:
Lindsey Graham
49%
Lee Bright
9%
Richard Cash
3%
Nancy Mace
2%
Det Bowers
1%
Bill Connor
1%
Benjamin Dunn
0%
Undecided/Don’t know
35%
...
The Democratic primary for the regular Senate election (400 DEM primary voters):
a. Brad Hutto 8%
b. Jay Stamper 3%
c. Undecided 74%
d. DK/NA 15%
The Democratic primary for the special Senate election (400 DEM primary voters):
a. Joyce Dickerson 11%
b. Sidney Moore 7%
c. Harry Pavilack 3%
d. Undecided 62%
e. DK/NA 17%
The Clemson University Palmetto Poll (link to poll) surveyed 400 frequent Republican voters from May 22 to 29 and 400 Democrats from May 26 to June 2. The poll has a plus or minus confidence of 6 percent and included nearly 8 percent of cell phone users in each category.
http://newsstand.clemson.edu/mediarelations/palmetto-poll-shows-voter-support-for-incumbents-in-s-c